The technology that high purity manganese carbonate is gained by precipitation from homogeneous solution , manganese minerals used as materials, is studied in this article .
总之，以电解锰的阳极液为原料，生产高纯碳酸锰在技术上是可行的，工艺上是合理的，经济效益是可观的。
Monodispersed NiO precursor particles were prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea.
采用尿素均相沉淀法制得了均分散的氧化亚镍前驱体粒子。
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